Ekadashi is an auspicious day dedicated to Lord Vishnu on the eleventh day of every lunar fortnight in traditional Hindu calendar. Ekadashi 2015 dates based on Hindu Lunar Calendar. Nirjala Ekadasi is on May 29. Vaikunta Ekadashi in 2015 is on December 21. Fasting on Ekadashi is considered highly auspicious and is believed to help in redemption of sins and in attaining Moksha. Below are the Ekadashi dates in 2015.